Chemistry 9-weeks review

writing Chemical compounds

100

write the correct chemical compound for Calcium arsenide?

Ca₃As₂

200

What is the chemical formula for Magnesium carbonate?

MgCO₃

300

What is the correct chemical formula for Iron(III) chloride?

FeCl₃

400

what is the correct chemical compound for Gold(III) cyanide

Au(Cn)₃

500

Write the correct chemical formula for Vandium(IV) sulfate. 

V₂(SO₄)₄

balancing chemical equations

100

what are the correct coefficients to correctly balance this chemical equation? _CH₄  +_O₂ --> _C0₂  + _ H₂O

what is 1:2:1:2 ratio

200

Balance this chemical equation and tell me the correct coefficients.  _GaF₃  + _Cs --> _CsF + _Ga

what is 1:3:3:1

300

correctly balance this chemical equation and tell correct coefficients. 

__Hg(OH)2+__H₃PO₄  --> __Hg₃(PO₄)₂ + __H₂O

what is 3:2:1:6

400

correctly balance this chemical equation and write the correct coefficients for the entire reaction. 

__NH₄NO₃ --> __N₂ + __O₂ +__H₂O

2:2:1:4

500

correctly balance this chemical equation and write down the correct coefficients for this reaction?

__C₅H₈O₂ + __NaH + __ HCl --> __C₅H₁₂O₂ + __NaCl

what is 1:2:2:1:2

counting atoms

100

How many total atoms are in Na₃PO₄ ?

what is 8 total atoms 

200

if i have 3 molecules of C₂H₂0₄ , then how many atoms of oxygen are in this compound?

what is 12 atoms of Oxygen?

300

in this chemical formula, how many atoms of Nitrogen are in 10Ca(NO₂)₂    ?

what is 20 atoms of Nitrogen

400

How many total atoms are in (NH)₂CrO₄  ?

what is 9 total atoms

500

How many total atoms are in 3 molecules of Be₃Al₂Si₆O₁₈  ?

what is 87 total atoms in this compound

molar mass/mole concept

100

what is the molar mass of O₁₅  ?

what is 240 g/mol of O₁₅

200

what is the molar mass of K₂Cr₂O₇ ?

what is 294.0 g/mol of K₂Cr₂O₇

300

What is one Mole of anything equal to?

what is 6.022x10  atoms, particles, molecules, formula units, elements and etc. 

400

tell the correct molar mass for 4-Al(OH)₃

what is 312 g/mol 4-Al(OH)₃

500

What is the molar mass for (NH₄)₂CO₃ ?

what is 96 g/mol of (NH₄)₂CO₃

Naming chemical compounds

100

Name this chemical compound Li₂S ?

Lithium sulfide

200

what is the name of this compound Ca(OH)₂ ?

Calcium hydroxide

300

What is the name of this chemical formula Cu₂O ?

Copper(I) oxide

400

What is the name of this Chemical formula Na₂SO₃ ?

what is Sodium sulfite

500

what is the name of this Ionic Compound SnSe₂ ?

what is Tin (IV) selenide